X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/56c972577b9cb4c4e435fe3025752d1cd9b26d56..8207c39859e0c95a5566740f6a3f1e1e177e1aeb:/public/javascripts/map.js diff --git a/public/javascripts/map.js b/public/javascripts/map.js index 3e6d687b0..0457713c5 100644 --- a/public/javascripts/map.js +++ b/public/javascripts/map.js @@ -1,6 +1,7 @@ var epsg4326 = new OpenLayers.Projection("EPSG:4326"); var map; var markers; +var vectors; var popup; var nonamekeys = { @@ -13,7 +14,9 @@ var nonamekeys = { }; OpenLayers._getScriptLocation = function () { - return "openlayers/"; + // Should really have this file as an erb, so that this can return + // the real rails root + return "/openlayers/"; } function createMap(divName, options) { @@ -30,7 +33,8 @@ function createMap(divName, options) { ], units: "m", maxResolution: 156543.0339, - numZoomLevels: 20 + numZoomLevels: 20, + displayProjection: new OpenLayers.Projection("EPSG:4326") }); var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { @@ -53,9 +57,9 @@ function createMap(divName, options) { var nonamekey = nonamekeys[document.domain]; var noname = new OpenLayers.Layer.OSM("NoName", [ - "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/", - "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/", - "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/" + "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png", + "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png", + "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png" ], { displayOutsideMaxExtent: true, wrapDateLine: true, @@ -70,6 +74,7 @@ function createMap(divName, options) { map.addLayer(maplint); var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels); + markers = new OpenLayers.Layer.Markers("Markers", { displayInLayerSwitcher: false, numZoomLevels: numZoomLevels, @@ -79,7 +84,7 @@ function createMap(divName, options) { projection: "EPSG:900913" }); map.addLayer(markers); - + return map; } @@ -103,6 +108,26 @@ function addMarkerToMap(position, icon, description) { return marker; } +function addBoxToMap(boxbounds) { + if(!vectors) { + // Be aware that IE requires Vector layers be initialised on page load, and not under deferred script conditions + vectors = new OpenLayers.Layer.Vector("Box Layer", { + displayInLayerSwitcher: false + }); + map.addLayer(vectors); + } + var geometry = boxbounds.toGeometry().transform(epsg4326, map.getProjectionObject()); + var box = new OpenLayers.Feature.Vector(geometry, {}, { + strokeWidth: 2, + strokeColor: '#ee9900', + fillOpacity: 0 + }); + + vectors.addFeatures(box); + + return box; +} + function openMapPopup(marker, description) { closeMapPopup(); @@ -126,11 +151,18 @@ function removeMarkerFromMap(marker){ markers.removeMarker(marker); } +function removeBoxFromMap(box){ + vectors.removeFeature(box); +} + function getMapCenter(center, zoom) { return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326); } function setMapCenter(center, zoom) { + zoom = parseInt(zoom); + var numzoom = map.getNumZoomLevels(); + if (zoom >= numzoom) zoom = numzoom - 1; map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom); } @@ -138,7 +170,7 @@ function setMapExtent(extent) { map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject())); } -function getMapExtent(extent) { +function getMapExtent() { return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326); }